SPIRou: a nIR spectropolarimeter / high-precision velocimeter for the CFHT

Abstract

SPIRou is a near-infrared (nIR) spectropolarimeter / velocimeter for the Canada-France-Hawaii Telescope (CFHT), that will focus on two forefront science topics, (i) the quest for habitable Earth-like planets around nearby M stars, and (ii) the study of low-mass star/planet formation in the presence of magnetic fields. SPIRou will also efficiently tackle many key programmes beyond these two main goals, from weather patterns on brown dwarfs to Solar-System planet and exoplanet atmospheres. SPIRou will cover a wide spectral domain in a single exposure (0.98-2.44um at a resolving power of 70K, yielding unpolarized and polarized spectra of low-mass stars with a 15% average throughput at a radial velocity (RV) precision of 1 m/s. It consists of a Cassegrain unit mounted at the Cassegrain focus of CFHT and featuring an achromatic polarimeter, coupled to a cryogenic spectrograph cooled down at 80K through a fluoride fiber link. SPIRou is currently integrated at IRAP/OMP and will be mounted at CFHT in 2017 Q4 for a first light scheduled in late 2017. Science operation is predicted to begin in 2018 S2, allowing many fruitful synergies with major ground and space instruments such as the JWST, TESS, ALMA and later-on PLATO and the ELT.

arXiv commentHandbook of Exoplanets, in press (26 pages, 12 figures, 1 table)

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Cited by in corpus (23)

• SPIRou: nIR velocimetry & spectropolarimetry at the CFHT
• The CARMENES search for exoplanets around M dwarfs. Two temperate Earth-mass planet candidates around Teegarden's Star
• Pyaneti: a fast and powerful software suite for multi-planet radial velocity and transit fitting
• pyaneti II: A multidimensional Gaussian process approach to analysing spectroscopic time-series
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• Diving Beneath the Sea of Stellar Activity: Chromatic Radial Velocities of the Young AU Mic Planetary System
• TRAPPIST-1: Global Results of the Spitzer Exploration Science Program {\it Red Worlds}
• The magnetic field and accretion regime of CI Tau
• TOI-1452 b: SPIRou and TESS reveal a super-Earth in a temperate orbit transiting an M4 dwarf
• Lava Worlds: From Early Earth to Exoplanets
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• Robustness Measures for Molecular Detections using High-Resolution Transmission Spectroscopy of Exoplanets
• TOI-530b: A giant planet transiting an M dwarf detected by TESS
• The SPIRou wavelength calibration for precise radial velocities in the near infrared
• An empirical infrared transit spectrum of Earth: opacity windows and biosignatures
• The CARMENES search for exoplanets around M dwarfs. Telluric absorption corrected high S/N optical and near-infrared template spectra of 382 M dwarf stars
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• Simulated mass measurements of the young planet K2-33b
• Constraining the oblateness of transiting planets with photometry and spectroscopy
• Exoplanets detection limits using spectral cross-correlation with spectro-imaging. An analytical model applied to the case of ELT-HARMONI
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• On-sky demonstration at Palomar Observatory of the near-IR, high-resolution VIPA spectrometer